Laracasts Discuss Push Notify od trin4ik

v0.35
* added 'category scanner' for new topics functional

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Extension provide new feature: 'follow by push' in Laracasts discuss.
Extension check in background all threads, whitch you are subscribed for and if finds new updates -- push to you notifications.

* checks every 30 seconds
* autoremoved subscribeds, when no update 3 days

if you have any troubles, you can create new issue on project github. PR also welcomed